Folding chair



FIG. 1 . is a front perspective view of the front, right, and top sides of a folding chair showing our new design;

FIG. 2 . is a front view thereof;

FIG. 3 . is a rear view thereof;

FIG. 4 . is a right side view thereof, a left side view being a mirror image thereof;

FIG. 5 . is a top plan view thereof; and,

FIG. 6 . is a bottom plan view thereof.

The broken lines shown in the drawings illustrate portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a folding chair, as shown and described. 